Inverness, Scotland · Sunday 27 September 2026
The marathon begins in an exposed moorland area, where runners must be prepared for unpredictable Highland weather and potentially cold conditions before the race begins. The initial section of the course trends predominantly downhill for the first six to seven miles, though there are minor climbs, including a particularly steep section after about 4.5 miles that challenges early pacing and leg control. Runners move along the historic General Wade's military road, traversing wooded segments and
Adjusted Time
4:00:58
Time difference: +1.0 minutes compared to a flat, road, temperate course.
Loch Ness Marathon is a full marathon held in Inverness, Scotland, scheduled for Sunday 27 September 2026. The course is run on road surface with 208m of total elevation gain, reaching a maximum altitude of 308m above sea level. For registration and full race details, visit the official Loch Ness Marathon website.
With 208m of elevation gain, this is a moderately undulating course. The route ranges from 7m to 308m above sea level (301m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for September, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 15°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (100%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Loch Ness Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Loch Ness Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Loch Ness Marathon against other marathons to find the right race for your goals.